a2=38 a6=−22a2=a+d=38 ...........(1)a6=a+5d=−22 .......(2)Equation (1)-(2), gives−4d=60⇒d=−15Substitute d=−15 in Equation (1)a+(−15)=38⇒a=53∴a3=a+2d=53+2(−15)=23∴a4=a+3d=53+3(−15)=8∴a5=a+4d=53+4(−15)=−7∴a1=53,a3=23,a4=8,a5=−7